/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * License); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * AS IS BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

/*
 * Copyright (c) 2017, Open AI Lab
 * Author: haitao@openailab.com
 */
#ifndef __AUTO_REGISTER_HPP__
#define __AUTO_REGISTER_HPP__

#define UNIQ_DUMMY_NAME_WITH_LINE0(a, b) auto_dummy_##a##_##b

#define UNIQ_DUMMY_NAME_WITH_LINE(a, b) UNIQ_DUMMY_NAME_WITH_LINE0(a, b)

#define UNIQ_DUMMY_NAME(name) UNIQ_DUMMY_NAME_WITH_LINE(name, __LINE__)

#define DUMMY_AUTO_FUNCTION(func, ...) DUMMY_AUTO_REGISTER(func, func, __VA_ARGS__)

#define DUMMY_AUTO_REGISTER(name, func, ...) \
    namespace {                              \
    namespace UNIQ_DUMMY_NAME(name)          \
    {                                        \
        struct dummy                         \
        {                                    \
            dummy()                          \
            {                                \
                func(__VA_ARGS__);           \
            }                                \
        };                                   \
        static dummy dummy_obj;              \
    }                                        \
    }

#endif
